248
CDHW40 PHFO 221245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON SEP 22 2025
...............................
..THE HONOLULU CLIMATE SUMMARY FOR SEPTEMBER 21 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 256 PM 92 1990 88 1 89
1995
MINIMUM 78 1136 PM 67 1975 75 3 76
AVERAGE 84 82 2 83
PRECIPITATION (IN)
YESTERDAY T 0.57 1969 0.02 -0.02 0.01
MONTH TO DATE 0.58 0.64 -0.06 0.02
SINCE SEP 1 0.58 0.64 -0.06 0.02
SINCE JAN 1 9.46 10.23 -0.77 9.73
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 16 3 18
MONTH TO DATE 376 353 23 373
SINCE SEP 1 376 353 23 373
SINCE JAN 1 3861 3430 431 3480
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1200 AM
LOWEST 45 300 PM
AVERAGE 61
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THE HONOLULU CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 93 1995
MINIMUM TEMPERATURE (F) 75 64 2019
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 1017 AM HDT SUNSET 1024 PM HDT
SEPTEMBER 23 2025.....SUNRISE 1017 AM HDT SUNSET 1023 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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